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Article/Guide: Making a USB Adapter for Generic 5V Chargers/Adapters

 Posted - 3/10/2009 10:39:32 PM  - Show Profile  Edit Message

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Article Title: Making a USB Adapter for Generic 5V Chargers/Adapters from a PS2-USB adapter + Nokia Standard/Samsung Mini Generic Tip
Item Resource Page: Wellson-USBFemaletoPS2MaleAdapter

This adapter provides a standard Female USB interface on one end, with a male PS2 connection on the other end. My younger brother was messing with using the +ive end against the PS2 connection to pass current through it to a small motor from an AA battery. Looking at the connector earlier tonight, I thought - wouldn't those pins fit nicely in a WCPP-813?  So I looked up a pinout for a PS2. Here's what I found:

  pin  function

   1   data
   2   (reserved)
   3   gnd
   4   +5v
   5   clock
   6   (reserved)

.:. I can use a combination of pin 4 hooked up to the 813, with pin #3 grounded and I'm good. I tested this, and it worked great

Here's a shot of the slightly MacGyver'd up setup - but it works

It's a bit redundant in this case since I already have a direct tip for my LG240 - but it ran my USB Fan and USB Plasma Ball great.

The connector is a bit finnicky but if I want to actually use it for this I could glue/tape the thing together since I have those 813 tips coming out of my ears now since the Blue Recharge-On-The-Go's all included one .

As for these PS2-Female USB tips - I have at least 5 of them lying around that came with old Microsoft Mice - and if I ever wanted another they're $1 down at the dollar store/75 cents each for 6 direct from the distributor.

Who knows? Maybe it'll come in handy someday for me - or perhaps for someone out there on the interweb?


Edited by - PJPeter on 4/13/2009 10:53:49 PM

 Posted - 4/13/2009 9:03:51 PM  - Show Profile  Edit Message

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The actually improved/finalized the design - I bent a small peice of a paperclip and put it into the PS2 connector to connect it to the outside of the 5V generic tip to ground it and I secured the whole setup with electrical tape. Now all I do is plug the USB device in the USB end and connect the cell phone plug into the end of the tip on the PS2 end and it all works great.

After 3 weeks it still is holding great with no problem and I've found this is useful and I have so many spares of the subsidiary parts that I've made 3 more .

I tested it with my rx1950, 5 LED Laptop Light, Plasma Balls, Mug Warmer along with many other USB devices and everything worked great. Of course it doesn't have a data connection that iPods and some Razr phones need from a standard USB cable, but besides those everything worked (and even the iPod worked with a generic type iPod tip on the other end).

Having a USB port on all those various 5V cell phone and other chargers would be very convinient - but whenever it isn't possible because the charger is so small - or when the manufacturer just didn't include one - this lets me make it USB power compatible in about 5 minutes (or make it from the parts in about a minute in an emergency).

It's a bit long it's true - but I can take it apart if I need to and both peices are still perfectly usable on their own. The only tricky part is bending some metal into it to form the connection between the ground pin of the PS2 adapter and the grounding sheath of the cell phone charger tip. Besides that it's a 2 minute job.

Here are some pics of the chargers under construction:

You can even reverse this with the opposite USB to PS2 adapters and make a cell phone charger from a USB port in about the same amount of time, also from parts that often come free with PS2 mice and keyboards. These adapter I got free with my MX518 USB Mice, and I know I have a couple more from older cheap Microsoft refurb ones I bought as well. The other connector I have spares of from many different cell chargers. $1 for the 2 components is ok - but Free is even better . For me at least, this is Free x 3


Edited by - PJPeter on 4/13/2009 10:14:59 PM

 Posted - 4/13/2009 10:59:46 PM  - Show Profile  Edit Message

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Doing a bit more testing I found that that the Nokia Standard Generic Tip will work as well as the Samsung Skinny/Thin tip. It isn't quite as tight or solid around the tip coming out of the PS2 male end of the adapter, but it will work. The Nokia is the end that comes with all these Generic tips - the only difference being it is on both ends instead of just one. It's also one of the easiest to find and one of the most standard ones to be bundled with just about anything that uses this sort of tip to provide power.

Update: As well I found the Nokia Mini/Slim adapter, which is even smaller than the Samsung, will fit as well. So any of those smallish adapters will fit - it just has to make good contact with the pin inside and not be too big to not fit in the PS2 male end connector. Of course, if you don't need the PS2 connector for sure you can cut or remove parts from inside of it that would allow even larger adapters to be inserted - but you need to make sure the connection with the pin inside is solid - otherwise if you jiggle the connector it will stop charging.

So there you go, this got even better


Edited by - PJPeter on 4/14/2009 3:06:57 PM

 Posted - 4/23/2009 1:07:30 AM  - Show Profile  Edit Message

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Very Nicely done. I just found a PS2 male to Usb adapter while doing a little spring cleaning. Thanks to the level of detail on here, I think I can handle putting one of these together. Thanks for putting this up Peter.  Excellent Macgyver job. I think Richard Dean Anderson should be taking cue from you. Thanks again. I'll give it a try and let you know how it turns out.  

 Posted - 4/23/2009 7:55:15 PM  - Show Profile  Edit Message

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- Happy to help - I have a ton of USB devices which I love to have portable power for, from my PDA, Cell Phone, USB Heated Mugs, laptop/reading light, fan, emergency alarm-clock/radio/reading-light/flashlight, pocket crank light, AA/AAA chargers, speakers, air ionizer and even a Vacuum cleaner . And probably there's a couple more I can't recall at the moment

Even when I travel all I need is 1 USB adapter (with a hub if its powerful enough) and I'm set to run/charge all these things, 5V isn't much and I can use all sorts of pocket chargers and even crank chargers and small solar panels to charge my gagets - a definite plus .

I even have a new Universal Lithium-Ion Battery charger that can charge my Phone/PDA/Camera batteries from USB power - which is especially great for my camera which doesn't have any other charger except the original AC one. That way I don't need to carry it around - and I can use any USB power source for to charge it along with all the others. I'll post more about it once I've tested it more. Even besides that though, having USB +5V power from all these different sources can only be a good thing - and this lets you change many of those plain 5V chargers into USB power sources. And there are always more things that run on Universal Serial Bus power - so if it isn't useful now it should be sometime soon .


Last Edited By - PJPeter on 4/24/2009 12:10:14 AM

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